답안 #360165

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
360165	2021-01-27T15:08:11 Z	jesus_coconut	Stove (JOI18_stove)	C++17	100 / 100	21 ms	2304 KB

stove

#include <bits/stdc++.h>

using namespace std;

int n, k;
vector<int> v;
void read() {
	cin >> n >> k;
	v.resize(n);
	for (auto &a : v) cin >> a;
}

void solve() {
	int ans = v.back() - v.front() + 1;
	vector<int> dist(n - 1);
	for (int i = 0; i < n - 1; ++i) {
		dist[i] = v[i + 1] - v[i] - 1;
	}
	sort(begin(dist), end(dist), greater<>());
	for (int i = 0; i < k - 1; ++i) {
		ans -= dist[i];
	}
	cout << ans << '\n';
}

int main() {
	ios_base::sync_with_stdio(false);
	cin.tie(nullptr);

	read();
	solve();

	return 0;
}

Subtask #1

20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	364 KB	Output is correct
2	Correct	1 ms	364 KB	Output is correct
3	Correct	1 ms	364 KB	Output is correct
4	Correct	1 ms	364 KB	Output is correct
5	Correct	1 ms	364 KB	Output is correct
6	Correct	1 ms	364 KB	Output is correct
7	Correct	1 ms	364 KB	Output is correct
8	Correct	1 ms	364 KB	Output is correct
9	Correct	1 ms	364 KB	Output is correct

Subtask #2

30.0 / 30.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	364 KB	Output is correct
2	Correct	1 ms	364 KB	Output is correct
3	Correct	1 ms	364 KB	Output is correct
4	Correct	1 ms	364 KB	Output is correct
5	Correct	1 ms	364 KB	Output is correct
6	Correct	1 ms	364 KB	Output is correct
7	Correct	1 ms	364 KB	Output is correct
8	Correct	1 ms	364 KB	Output is correct
9	Correct	1 ms	364 KB	Output is correct
10	Correct	1 ms	364 KB	Output is correct
11	Correct	1 ms	364 KB	Output is correct
12	Correct	1 ms	364 KB	Output is correct
13	Correct	1 ms	364 KB	Output is correct
14	Correct	1 ms	364 KB	Output is correct
15	Correct	1 ms	364 KB	Output is correct

Subtask #3

50.0 / 50.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	364 KB	Output is correct
2	Correct	1 ms	364 KB	Output is correct
3	Correct	1 ms	364 KB	Output is correct
4	Correct	1 ms	364 KB	Output is correct
5	Correct	1 ms	364 KB	Output is correct
6	Correct	1 ms	364 KB	Output is correct
7	Correct	1 ms	364 KB	Output is correct
8	Correct	1 ms	364 KB	Output is correct
9	Correct	1 ms	364 KB	Output is correct
10	Correct	1 ms	364 KB	Output is correct
11	Correct	1 ms	364 KB	Output is correct
12	Correct	1 ms	364 KB	Output is correct
13	Correct	1 ms	364 KB	Output is correct
14	Correct	1 ms	364 KB	Output is correct
15	Correct	1 ms	364 KB	Output is correct
16	Correct	20 ms	2028 KB	Output is correct
17	Correct	20 ms	2028 KB	Output is correct
18	Correct	20 ms	2028 KB	Output is correct
19	Correct	20 ms	2304 KB	Output is correct
20	Correct	21 ms	2028 KB	Output is correct
21	Correct	20 ms	2028 KB	Output is correct
22	Correct	20 ms	2028 KB	Output is correct
23	Correct	20 ms	2028 KB	Output is correct
24	Correct	20 ms	2028 KB	Output is correct